CVE-2026-13523
LowCVSS 3.3Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
A weakness in the ISOBMFF Parser component of GPAC up to version 26.02.0 affects the file src/utils/base_encoding.c. A local attacker can trigger manipulation leading to highly compressed data, potentially causing uncontrolled data expansion after decompression. A public exploit increases the risk of attacks.
Risk Assessment
The organization faces local attacks that may cause system overload or resource exhaustion due to excessive decompression. Unpatched systems could disrupt applications relying on GPAC.
Recommendation
Apply the patch identified as 297f2d8d1f493d8b241330533cd47f7da758aeb3 immediately, which adds a check on inflate output size (max 32 times input). Upgrade to the latest GPAC version is recommended.
Other vulnerabilities in GPAC
See all- CVE-2026-92474Low
A security flaw was discovered in GPAC 26.08-DEV affecting the function gf_inline_get_proto_lib in src/compositor/mpeg4_inline.c (Proto Link Handler component). The manipulation results in a use-after-free condition, and the attack requires local access. The exploit has been publicly released and may be used for attacks.
- CVE-2026-92472Low
A vulnerability was determined in GPAC 26.08-DEV affecting the function gf_node_deactivate_ex in src/scenegraph/base_scenegraph.c (MP4Box component). Executing a manipulation can lead to a use-after-free condition, and the attack requires local access. The exploit has been publicly disclosed and may be utilized.
- CVE-2026-15185Low
A vulnerability was found in GPAC 26.03-DEV in the vobsub_read_idx function of the MP4Box component. Manipulating the num_langs argument can cause an out-of-bounds read. The attack requires local access and the exploit has been publicly disclosed.
- CVE-2025-70307High
A stack overflow in the dump_ttxt_sample function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- CVE-2025-70308High
An out-of-bounds read in the GSF demuxer filter component of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted .gsf file.
- CVE-2025-70304High
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.
- CVE-2025-70298High
GPAC v2.4.0 was found to contain an out-of-bounds read in the oggdmx_parse_tags function. The issue occurs during processing of OGG data.
- CVE-2025-60497Medium
A segmentation violation in the GetESD function (/isomedia/track.c) of GPAC Project/MP4Box before 2.5 allows attackers to cause a Denial of Service (DoS) by supplying a crafted MP4 file.
- CVE-2025-60496Medium
A Floating-Point Exception (FPE) in the reframer_send_packet function (/filters/reframer.c) of GPAC Project/MP4Box before 2.5 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
- CVE-2025-60494Medium
A segmentation violation in the gf_props_equal_internal function (/filter_core/filter_props.c) of GPAC Project/MP4Box before 2.5 allows attackers to cause a Denial of Service (DoS) via supplying a crafted data file.
Original NVD description (English source)
A weakness has been identified in GPAC up to 26.02.0. This affects an unknown part of the file src/utils/base_encoding.c of the component ISOBMFF Parser. Executing a manipulation can lead to highly compressed data. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. This patch is called 297f2d8d1f493d8b241330533cd47f7da758aeb3. A patch should be applied to remediate this issue. The vendor confirms: "We added a check on inflate output size, if it surpasses 32 times the input size we stop in error. This value could be adjusted later."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS