GPAC vulnerabilities
We track 35 vulnerabilities in GPAC products. 35 are rated high or critical, and none are known to be exploited. The most recent was published on September 18, 2026.
Latest GPAC vulnerabilities
- 7.3 High severity
GPAC: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in GPAC 26.08-DEV. This vulnerability affects the function gf_rtp_parse_ttxt of the file src/ietf/rtp_depacketizer.c of the component RTP Depacketizer. Such manipulation of the argument size leads to out-of-bounds read. It is pos
- 7.3 High severity
GPAC: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in GPAC 26.07.0. This affects the function rmt_client_handle_ws_frame of the file src/utils/rmt_ws.c of the component WebSocket Handler. Executing a manipulation of the argument payload_size can lead to heap-based buffer overflow
- 7.3 High severity
GPAC: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in GPAC up to f1219cde. This vulnerability affects the function gf_mo_get_od_id of the file compositor/media_object.c of the component Compositor. Executing a manipulation can lead to use after free. The attack may be performed from remot
- 7.8 High severity
Gpac: Use After Free
A use-after-free in the gf_sei_load_from_state_internal function (/filters/sei_load.c) of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MPEG-2 TS file.
- 7.5 High severity
Gpac: Stack-based Buffer Overflow
A buffer overflow in the gf_media_import function (/media_tools/av_parsers.c) of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.
- 7.5 High severity
Gpac: Use After Free
A use-after-free in the gf_filter_pid_inst_swap_delete_task function (/filter_core/filter_pid.c) of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted media file.
- 7.5 High severity
Gpac: NULL Pointer Dereference
A NULL pointer dereference in the gf_odf_vvc_cfg_write_bs function (odf/descriptors.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
- 7.5 High severity
Gpac: Uncontrolled Resource Consumption
A segmentation violaton in the gf_hevc_read_sps_bs_internal function (media_tools/av_parsers.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying crafted HEVC SPS data.
- 7.5 High severity
Gpac: Stack-based Buffer Overflow
A stack buffer overflow in the filein_process function (in_file.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
- 7.8 High severity
gpac: Out-of-bounds Write
GPAC is an open-source multimedia framework. Prior to commit 86b0e36, a heap-based buffer overflow (write) vulnerability was discovered in GPAC MP4Box. The vulnerability exists in the gf_xml_parse_bit_sequence_bs function in utils/xml_bin_custom.c when process
- 7.8 High severity
gpac: Stack-based Buffer Overflow
GPAC is an open-source multimedia framework. In versions up to and including 26.02.0, a stack buffer overflow occurs during NHML file parsing in `src/filters/dmx_nhml.c`. The value of the xmlHeaderEnd XML attribute is copied from att->value into szXmlHeaderEnd
- 7.8 High severity
GPAC: Out-of-bounds Write
A security vulnerability has been detected in GPAC up to 2.4.0. This affects the function gf_text_import_srt_bifs of the file src/scene_manager/text_to_bifs.c of the component SRT Subtitle Import. Such manipulation leads to out-of-bounds write. The attack need
- 7.5 High severity
Gpac: Stack-based Buffer Overflow
A buffer overflow in the vobsub_get_subpic_duration() function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.1 High severity
gpac: Out-of-bounds Write
gpac 2.3-DEV-rev921-g422b78ecf-master was discovered to contain a out of boundary write vulnerability via swf_get_string at scene_manager/swf_parse.c:325
- 9.8 Critical severity
gpac: NULL Pointer Dereference
An issue was discovered in gpac version 2.3-DEV-rev588-g7edc40fee-master, allows remote attackers to execute arbitrary code, cause a denial of service (DoS), and obtain sensitive information via null pointer deference in gf_dash_setup_period component in media
- 8.8 High severity
gpac: Heap-based Buffer Overflow
Heap-based Buffer Overflow vulnerability in gpac version 2.3-DEV-rev588-g7edc40fee-master, allows remote attackers to execute arbitrary code and cause a denial of service (DoS) via gf_fwrite component in at utils/os_file.c.
- 7.8 High severity
Gpac: Buffer Copy without Checking Size of Input
GPAC v2.3 was detected to contain a buffer overflow via the function gf_isom_new_generic_sample_description function in the isomedia/isom_write.c:4577
- 7.5 High severity
An issue discovered in GPAC 2.3-DEV-rev605-gfc9e29089-master in MP4Box in gf_avc_change_vui…
An issue discovered in GPAC 2.3-DEV-rev605-gfc9e29089-master in MP4Box in gf_avc_change_vui /afltest/gpac/src/media_tools/av_parsers.c:6872:55 allows attackers to crash the application.
- 9.8 Critical severity
Gpac: Out-of-bounds Write
Heap Buffer Overflow vulnerability in GPAC version 2.3-DEV-rev617-g671976fcc-master, allows attackers to execute arbitrary code and cause a denial of service (DoS) via str2ulong class in src/media_tools/avilib.c in gpac/MP4Box.
- 7.8 High severity
Gpac: Out-of-bounds Write
GPAC v2.3-DEV-rev566-g50c2ab06f-master was discovered to contain a stack overflow via the hevc_parse_vps_extension function at /media_tools/av_parsers.c.
- 7.8 High severity
Gpac: Double Free
GPAC v2.3-DEV-rev566-g50c2ab06f-master was discovered to contain a double free via the gf_filterpacket_del function at /gpac/src/filter_core/filter.c.
- 7.8 High severity
gpac: Use After Free
GPAC v2.3-DEV-rev566-g50c2ab06f-master was discovered to contain a heap-use-after-free via the flush_ref_samples function at /gpac/src/isomedia/movie_fragments.c.
- 7.8 High severity
GPAC: Buffer Copy without Checking Size of Input
A vulnerability was found in GPAC 2.3-DEV-rev35-gbbca86917-master. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file filters/load_text.c. The manipulation leads to buffer overflow. Local access is required
- 7.8 High severity
GPAC: Double Free
A vulnerability has been found in GPAC 2.3-DEV-rev35-gbbca86917-master and classified as problematic. This vulnerability affects the function gf_av1_reset_state of the file media_tools/av_parsers.c. The manipulation leads to double free. It is possible to laun
- 7.8 High severity
GPAC: Heap-based Buffer Overflow
A vulnerability, which was classified as problematic, was found in GPAC 2.3-DEV-rev35-gbbca86917-master. This affects the function gf_m2ts_process_sdt of the file media_tools/mpegts.c. The manipulation leads to heap-based buffer overflow. Attacking locally is
- 8.8 High severity
GPAC: Out-of-bounds Write
A vulnerability, which was classified as critical, has been found in GPAC 2.3-DEV-rev40-g3602a5ded. This issue affects the function mp3_dmx_process of the file filters/reframe_mp3.c. The manipulation leads to heap-based buffer overflow. The attack may be initi
- 7.1 High severity
Gpac: Integer Overflow or Wraparound
GPAC MP4box 2.1-DEV-rev574-g9d5bb184b is contains an Integer overflow vulnerability in gf_hevc_read_sps_bs_internal function of media_tools/av_parsers.c:8316
- 8.8 High severity
A vulnerability, which was classified as problematic, was found in GPAC…
A vulnerability, which was classified as problematic, was found in GPAC 2.1-DEV-rev490-g68064e101-master. Affected is the function lsr_translate_coords of the file laser/lsr_dec.c. The manipulation leads to integer overflow. It is possible to launch the attack
- 7.8 High severity
Gpac: Out-of-bounds Write
GPAC 2.1-DEV-rev368-gfd054169b-master was discovered to contain a heap buffer overflow via the function gf_isom_box_dump_start_ex at /isomedia/box_funcs.c.
- 9.8 Critical severity
Gpac: Use After Free
GPAC mp4box 2.1-DEV-revUNKNOWN-master has a use-after-free vulnerability in function gf_isom_dovi_config_get. This vulnerability was fixed in commit fef6242.
- 7.5 High severity
Gpac: NULL Pointer Dereference
A Null Pointer dereference vulnerability exists in GPAC 2.1-DEV-revUNKNOWN-master via the function gf_filter_pid_set_property_full () at filter_core/filter_pid.c:5250,which causes a Denial of Service (DoS). This vulnerability was fixed in commit b43f9d1.
- 7.1 High severity
Gpac: Out-of-bounds Read
GPAC 2.0.0 misuses a certain Unicode utf8_wcslen (renamed gf_utf8_wcslen) function in utils/utf.c, resulting in a heap-based buffer over-read, as demonstrated by MP4Box.
- 7.5 High severity
Gpac: NULL Pointer Dereference
GPAC 2.1-DEV-rev87-g053aae8-master. has a Null Pointer Dereference vulnerability in gf_isom_parse_movie_boxes_internal due to improper return value handling of GF_SKIP_BOX, which causes a Denial of Service. This vulnerability was fixed in commit 37592ad.
- 7.5 High severity
Gpac: Reachable Assertion
In GPAC 2.1-DEV-rev87-g053aae8-master, function BS_ReadByte() in utils/bitstream.c has a failed assertion, which causes a Denial of Service. This vulnerability was fixed in commit 9ea93a2.
- 7.8 High severity
gpac: Out-of-bounds Read
MP4Box is a component of GPAC-2.0.0, which is a widely-used third-party package on RPM Fusion. When MP4Box tries to parse a MP4 file, it calls the function `diST_box_read()` to read from video. In this function, it allocates a buffer `str` with fixed length. H